XML 74 R65.htm IDEA: XBRL DOCUMENT
v3.23.3

FAIR VALUE MEASUREMENTS - Fair value measurement on inputs and valuation techniques (Details) | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Third party appraisals, sales contracts or brokered price options | Collateral discounts and estimated costs to sell |  |
Fair Value of Financial Instruments |  |
Other real estate owned | 0 |
Third party appraisals, sales contracts or brokered price options | Collateral discounts and estimated costs to sell | Weighted Average |  |
Fair Value of Financial Instruments |  |
Other real estate owned | 0 |
Third party appraisals and discounted cash flows | Collateral discounts and discount rates | Minimum |  |
Fair Value of Financial Instruments |  |
Loans individually evaluated | 0 | 0
Third party appraisals and discounted cash flows | Collateral discounts and discount rates | Maximum |  |
Fair Value of Financial Instruments |  |
Loans individually evaluated | 0.53 | 0.71
Third party appraisals and discounted cash flows | Collateral discounts and discount rates | Weighted Average |  |
Fair Value of Financial Instruments |  |
Loans individually evaluated | 0.309 | 0.255

X
- Definition Value of input used to measure impaired loans receivables.. + References No definition available. + Details
Name: | bfc_ImpairedLoanReceivableMeasurementInput
Namespace Prefix: | bfc_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of input used to measure real estate owned by financial institution by financial institution which is not directly related to its business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_OtherRealEstateOwnedMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=bfc_ValuationTechniqueThirdPartyAppraisalsSalesContractsOrBrokeredPriceOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=bfc_MeasurementInputCollateralDiscountsAndEstimatedCostsToSellMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=bfc_ValuationTechniqueThirdPartyAppraisalsAndDiscountedCashFlowsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=bfc_MeasurementInputCollateralDiscountsAndDiscountRatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |